Global Warming: What needs to be done?

[evil twin]

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variance
explain how <150 years of observations and 10000s years of data from ice core models(even if this is accurate, its much too smooth to judge temperatures at 100 yr intervals) is enough to prove a <2 degree increase over 100 years is statistically signifigant.

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Just because you don't understand it doesn't mean it isn't true.